Daily phases · UK local time

May 2027 Moon calendar for the UK

Check the Moon's daily phase and illumination throughout May 2027, together with exact new Moon, quarter and full Moon event times.

How the Moon changes during May 2027

At 12:00 local time on 1 May, the Moon is a waning crescent at 26% illumination and is waning. By 31 May, it is a waning crescent at 23% illumination and is waning.

This civil month contains 4 exact principal phase events. Daily values represent the Moon at local noon; event rows below retain their precise astronomical times.

This fixed calendar uses Europe/London. Choose another time zone for this month →

Monthly view

May 2027

Daily state at 12:00 in Europe/London

Moon phase calendar for May 2027; weeks begin on Monday
MonTueWedThuFriSatSun

Select any day to update the preview here. Today, your selection and exact phase events have separate markers.

Day-by-day detail · London horizon

Phase, illumination, lunar age, rise and set

Phase, illumination and age are calculated at 12:00 Europe/London. Moonrise and moonset use a central London observer; a dash means no matching horizon crossing occurs during that civil date.

Daily values at 12:00 UK local time; rise and set for London
DatePhaseIlluminationLunar ageMoonriseMoonset
Waning Crescent26%24.5 days
Waning Crescent18%25.5 days
Waning Crescent11%26.5 days
Waning Crescent5%27.5 days
New Moon1%28.5 days
New Moon0%0.0 days
New Moon2%1.0 days
Waxing Crescent5%2.0 days
Waxing Crescent12%3.0 days
Waxing Crescent20%4.0 days
Waxing Crescent31%5.0 days
First Quarter42%6.0 days
First Quarter53%7.0 days
First Quarter64%8.0 days
Waxing Gibbous74%9.0 days
Waxing Gibbous83%10.0 days
Waxing Gibbous90%11.0 days
Waxing Gibbous96%12.0 days
Full Moon99%13.0 days
Full Moon100%14.0 days
Full Moon99%15.0 days
Waning Gibbous96%16.0 days
Waning Gibbous91%17.0 days
Waning Gibbous85%18.0 days
Waning Gibbous78%19.0 days
Waning Gibbous70%20.0 days
Last Quarter61%21.0 days
Last Quarter51%22.0 days
Last Quarter42%23.0 days
Last Quarter32%24.0 days
Waning Crescent23%25.0 days

The month's brightest nights

Full Moon in May 2027

Flower Moon

A broad spring name marking the abundance of flowers in May.

Exact instant
20 May 2027 at 11:59 BST
Brown lunation
1291
Read the Flower Moon guide

How rise and set vary across the UK

On the date of the first full Moon, longitude and latitude shift the horizon times. These representative cities all use Europe/London civil time.

Moonrise and moonset on 2027-05-20, in each location's UK local time
LocationMoonriseMoonset
London
Cardiff
Belfast
Edinburgh
Lerwick

Traditional lunar rhythm · practical UK season

Garden windows for this month

Tender crops move outside as local frost risk passes. Use local soil, weather and frost conditions to decide whether each task is timely in your garden.

6–12 5/2027

Sowing

Direct-sow beans, squash, cucumbers and sweetcorn when soil is warm, with protection ready for cold nights.

13–19 5/2027

Planting

Harden off and plant tomatoes, courgettes and pumpkins after local frost risk has passed.

20–28 5/2027

Harvesting

Pick asparagus, rhubarb, salads and early herbs.

1–5, 29–31 5/2027

Pruning

Thin crowded soft-fruit shoots and train new growth on supported fruit.

Use this monthly calendar

Calculation method